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Testosterone Decanoate CAS NO 5721-91-5
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CAS No.:5721-91-5
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
Testosterone Decanoate is a long-acting ester derivative of the primary male androgen, testosterone. This compound is valued for its ability to provide a sustained release of testosterone, offering a more stable pharmacokinetic profile compared to shorter esters. It is a critical active pharmaceutical ingredient (API) primarily utilized in the formulation of hormone replacement therapies (HRT) and other androgen-based treatments. Industries involved in pharmaceutical manufacturing, research and development, and compounding pharmacy rely on this high-purity intermediate.
Application
- Primary Active Pharmaceutical Ingredient (API) in injectable hormone replacement therapies (HRT) for male hypogonadism.
- Key component in androgen replacement formulations designed for sustained-release delivery systems.
- Research chemical for pharmacological and endocrinological studies investigating androgen action and metabolism.
- Starting material or intermediate in the synthesis of more complex steroidal compounds.
- Used in clinical settings for the treatment of conditions associated with testosterone deficiency.
- Reference standard in analytical laboratories for quality control and method development.
Basic Information
| Product Name | Testosterone Decanoate |
| CAS No. | 5721-91-5 |
| Molecular Formula | C29H46O3 |
| Molecular Weight | 442.68 g/mol |
| Synonyms | Testosterone 17-Decanoate; Androst-4-en-3-one, 17-[(1-oxodecyl)oxy]-, (17β)-; 17β-Hydroxyandrost-4-en-3-one decanoate; NSC 17591; Testosterone decylate; Testosterone caprate (decanoate ester) |
| EINECS | 227-235-8 |
Quality Control
Our Testosterone Decanoate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for pharmaceutical applications. Specifications typically align with major pharmacopoeial guidelines. A detailed Certificate of Analysis (COA), including results for identity, purity, and related substances, is provided with every shipment to guarantee traceability and compliance.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed in a dry environment away from direct light exposure to maintain stability and potency.
Specification
| Item | Specification |
|---|---|
| Appearance | White or almost white crystalline powder |
| Identification (IR) | Conforms to reference spectrum |
| Identification (HPLC) | Retention time corresponds to reference standard |
| Assay (HPLC) | 98.0% - 102.0% |
| Related Substances (HPLC) | Total impurities ≤ 2.0% |
| Single Unknown Impurity | ≤ 0.5% |
| Loss on Drying | ≤ 0.5% |
| Residue on Ignition | ≤ 0.1% |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
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With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.






